Granted Patent
Utility
US 6,566,478 · App. 10/135,138
Synthesis of high vinyl rubber
Inventors:
Steven Kristofer Henning, Michael Lester Kerns, Zhengfang Xu
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Apr 30, 2002
Inventors
Steven Kristofer Henning
Michael Lester Kerns
Zhengfang Xu
Assignee (at issue)
THE GOODYEAR TIRE & RUBBER COMPANY
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.